Data-visualization/chord.html at main · Kisaa-Fatima/Data-visualization · GitHub

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<body>
    <link rel="stylesheet"
    href="rheingold.css"
    text="type/css" >
    </link>
    <div class="title" align="center"style="font-family:'Brush Script MT', cursive;font-weight: bold;font-size: 40px;text-shadow: 1.5px 1.5px orange;color:black">
        Chord Layout
    </div></body>
<!-- <!- ===================chord============== -->

 <!DOCTYPE html>
<meta charset="UTF-8">
<title>Chord Diagram</title>
<style>
  /* Add some padding to the body */
  body {
    padding: 20px;
  }

  /* Style the upload button */
  #upload-button {
    font-size: 16px;
    padding: 10px;
    border: none;
    border-radius: 5px;
    background-color: #4CAF50;
    color: white;
    cursor: pointer;
 }

 #upload-button:hover {
    background-color: #45a049;
 }
</style>

 <script src="https://d3js.org/d3.v6.min.js"></script>

<script src="https://d3js.org/d3-chord.v1.min.js"></script>


<script src="https://cdnjs.cloudflare.com/ajax/libs/FileSaver.js/2.0.5/FileSaver.min.js"></script>

 <body>
 <input type="file" id="file" style="display: none;">
 <button id="upload-button">Upload CSV</button>
 <script>
    var svg = d3.select("body").append("svg").attr("width", 1000).attr("height", 1000);

    var matrix = [];
    var labels = [];

    document.getElementById("upload-button").addEventListener("click", function() {
      document.getElementById("file").click();
    });

    document.getElementById("file").addEventListener("change", function() {
      var file = this.files[0];
      var reader = new FileReader();

      reader.onload = function(e) {
        var csv = d3.csvParse(e.target.result);
        labels = csv.columns.slice(1);
        matrix = csv.columns.map(function(id) {
          return csv.map(function(row) {
            return +row[id];
          });
        });

        drawChordDiagram();
      };

      reader.readAsText(file);
    });

    function drawChordDiagram() {
      svg.selectAll("*").remove();

      var chord = d3.chord()
        .padAngle(0.05)
        .sortSubgroups(d3.descending);

      var outerRadius = 500 / 2 - 100,
        innerRadius = outerRadius - 20;

      var ribbon = d3.ribbon()
        .radius(innerRadius);

      var arc = d3.arc()
        .innerRadius(innerRadius)
        .outerRadius(outerRadius);

      var color = d3.scaleOrdinal(d3.schemeCategory10);

      var g = svg.append("g")
        .attr("transform", "translate(" + 500 / 2 + "," + 500 / 2 + ")")
        .datum(chord(matrix));

      g.append("g")
        .attr("class", "ribbons")
        .selectAll("path")
        .data(function(chords) { return chords; })
        .enter().append("path")
        .attr("d", ribbon)
        .style("fill", function(d) { return color(d.target.index); })
        .style("stroke", function(d) { return color(d.target.index); });

      g.append("g")
        .attr("class", "arcs")
        .selectAll("g")
        .data(function(chords) { return chords.groups; })
        .enter().append("g")
        .attr("class", "arc")
        .on("mouseover", function(d, i) {
          d3.selectAll(".arc path").style("opacity", function(p) {
            return p.index === i ? 1 : 0.1;
          });
        })
        .on("mouseout", function(d, i) {
          d3.selectAll(".arc path").style("opacity", 1);
        })
        .append("path")
        .attr("d", arc)
        .style("fill", function(d) { return color(d.index); })
        .style("stroke", function(d) { return color(d.index); });

      var text = g.append("g")
        .attr("class", "labels")
        .selectAll("text")
        .data(function(chords) { return chords.groups; })
        .enter().append("text")
        .attr("dy", ".35em")
        .attr("class", "label-text")
        .attr("transform", function(d) {
          return "rotate(" + (d.startAngle + d.endAngle) / 2 * (180 / Math.PI) + ")" +
            "translate(" + (outerRadius - 20) + ")" +
            (d.startAngle > Math.PI ? "rotate(180)" : "");
        })
        .text(function(d, i) { return labels[i]; })
        .style("fill", function(d) { return color(d.index); });

      g.append("g")
        .attr("class", "lines")
        .selectAll("line")
        .data(function(chords) { return chords; })
        .enter().append("line")
        .attr("x1", function(d) { return d.source.value * Math.cos(d.source.startAngle + d.source.endAngle / 2); })
        .attr("y1", function(d) { return d.source.value * Math.sin(d.source.startAngle + d.source.endAngle / 2); })
        .attr("x2", function(d) { return d.target.value * Math.cos(d.target.startAngle + d.target.endAngle / 2); })
        .attr("y2", function(d) { return d.target.value * Math.sin(d.target.startAngle + d.target.endAngle / 2); })
        .style("stroke", "#000")
        .style("stroke-width", 0.5);
    }
 </script>
</body>

</html>